Just weeks after Mr. Obama took office, North Korea conducted its second nuclear weapons test.
He suggests a recommitment by the nuclear powers not to test their weapons--there have been no nuclear tests since 1996--in exchange for a commitment by all nations to stop enriching uranium.
For instance, one reason Washington is often surprised when countries like Pakistan test nuclear weapons is that other governments have a good idea what times of the day they are within range of U.S. photo-reconnaissance satellites, and so they conduct sensitive operations while the satellites are out of range.
In 1996, China pledged to refrain from further assistance to Pakistan's unsafeguarded nuclear facilities, adopted a nuclear testing moratorium, signed the comprehensive nuclear test ban and ratified the Chemical Weapons Convention.
The United States will not design, produce or test any new nuclear weapons.
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In 1998, India and Pakistan tested their nuclear weapons and, later, the Senate rejected the Test Ban Treaty.
He also negotiated a limited nuclear test ban treaty that inhibited the proliferation of weapons of mass destruction.
There are methods to test system vulnerability to EMPs without exploding nuclear weapons.
The moratorium was one of a series of unilateral disarmament actions taken at that time, which included the 1993-94 legislation prohibiting design of low-yield nuclear weapons and the 1995-96 agreement on a Comprehensive Test Ban Treaty (CTBT).
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For example, the Comprehensive Test Ban will not prevent states determined to acquire nuclear weapons from simply buying them.
In a wide-ranging speech, she stated that she believed that the US would sign up to the Comprehensive Test Ban Treaty, which forbids the testing of nuclear weapons.
Kennedy now contended that both sides had a vital interest in stopping the spread of nuclear weapons and slowing the arms race--a contention which led to the test ban treaty of 1963.
But there are two serious questions that worry genuine doubters: can America's nuclear weapons be kept safe and effective without explosive tests, and can the promise of a comprehensive test ban be comprehensively verified?
We led in concluding the Comprehensive Test Ban Treaty, which will bring to life a decades-old dream of ending nuclear weapons testing.
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